Home / 13,665,160.80-18,857,111.28-7,553,224.80

Finding the Fourth Proportional to 13,665,160.80, 18,857,111.28 and 7,553,224.80

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Solution

The fourth proportional to 13,665,160.80, 18,857,111.28 and 7,553,224.80 is: 10,423,002.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665,160.80 : 18,857,111.28 = 7,553,224.80 : x
  2. Step 2: Convert to fraction form
    13,665,160.80/18,857,111.28 = 7,553,224.80/x
  3. Step 3: Cross multiply
    13,665,160.80x = 18,857,111.28 × 7,553,224.80
  4. Step 4: Simplify right side
    13,665,160.80x = 142,432,000,576,455.75
  5. Step 5: Solve for x
    x = 142,432,000,576,455.75/13,665,160.80
  6. Step 6: Final answer
    x = 10,423,002.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.